2878601157 has 24 divisors (see below), whose sum is σ = 4181136960. Its totient is φ = 1908411840.

The previous prime is 2878601129. The next prime is 2878601171. The reversal of 2878601157 is 7511068782.

It is a happy number.

2878601157 is a `hidden beast` number, since 28 + 7 + 8 + 601 + 15 + 7 = 666.

It is not a de Polignac number, because 2878601157 - 2⁶ = 2878601093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2878601107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1571232 + ... + 1573062.

It is an arithmetic number, because the mean of its divisors is an integer number (174214040).

Almost surely, 2^2878601157 is an apocalyptic number.

It is an amenable number.

2878601157 is a deficient number, since it is larger than the sum of its proper divisors (1302535803).

2878601157 is a wasteful number, since it uses less digits than its factorization.

2878601157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2713 (or 2710 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 45.

The square root of 2878601157 is about 53652.5969268963. The cubic root of 2878601157 is about 1422.5269356352.

The spelling of 2878601157 in words is "two billion, eight hundred seventy-eight million, six hundred one thousand, one hundred fifty-seven".